阅读说明：本技术 交通土建深基坑梯笼 (Traffic civil engineering deep foundation pit ladder cage ) 是由 赵学峰 宁永刚 王永 李胜利 徐婷婷 于 2020-05-20 设计创作，主要内容包括：本发明涉及交通土建深基坑梯笼,通过利用横向梯笼单元和竖向梯笼单元的组合,方便使用者进入深基坑中进行作业,同时利用加强筋、交叉肋实现结构的稳定支撑,在竖向梯笼单元中利用上下相邻梯笼上矩形框体上下端的磁性销和磁性孔进行磁性配合,使得在进行竖向梯笼单元的吊装安装中定位更加准确,安装效率更高,同时利用在混凝土墩台上增设外框体,在外框体与加强筋之间设置移动的垂直度检测装置,通过滚动轮带动伸缩杆上的导电触头与电阻丝的配合,将梯笼整体在竖向方向上的前后左右的各个方向上的偏移量进行量化处理,测量数据精确可靠,对梯笼垂直度的检测方便快捷,避免安全隐患的存在与发生,结构巧妙,使用方便简单,实用性强。(The invention relates to a ladder cage for a deep foundation pit of traffic civil engineering, which is convenient for a user to enter a deep foundation pit for operation by utilizing the combination of a transverse ladder cage unit and a vertical ladder cage unit, realizes stable support of the structure by utilizing reinforcing ribs and cross ribs, and performs magnetic matching in the vertical ladder cage unit by utilizing magnetic pins and magnetic holes at the upper end and the lower end of a rectangular frame body on the upper ladder cage and the lower ladder cage adjacent to each other, so that the positioning is more accurate in the hoisting and installation of the vertical ladder cage unit, the installation efficiency is higher, meanwhile, an outer frame body is additionally arranged on a concrete pier, a movable verticality detection device is arranged between the outer frame body and the reinforcing ribs, the verticality deviation of the whole ladder cage in all directions in the front, back and left directions and right directions in the vertical direction is quantized by utilizing the matching of a conductive contact on a telescopic rod and a resistance wire driven by a rolling, the safety hazard is avoided, the structure is ingenious, the use is convenient and simple, and the practicability is strong.)

1. The traffic civil engineering deep foundation pit ladder cage comprises a foundation pit subjected to side slope support, and a concrete abutment (1) is poured at the bottom of the foundation pit, and is characterized in that the upper end of the concrete abutment is connected with a ladder cage group;

the ladder cage group is formed by splicing a plurality of vertical ladder cage units (2) and transverse ladder cage units (3), each ladder cage unit comprises a rectangular frame body (4), the peripheral side wall of the rectangular frame body (4) is fixedly connected with crossed ribs (5) which are fixedly supported, and meanwhile, the peripheral side wall of the rectangular frame body (4) is provided with a reinforcing steel bar protective net (6), the right side wall of the ladder cage at the lowest layer is provided with an outlet, the uppermost layer is provided with an inlet at the left end of the ladder cage and is communicated with the transverse ladder cage units (3) at the inlet, an inclined stair (7) is arranged in the rectangular frame body (4) of each vertical ladder cage unit (2), the stairs (7) in two groups of vertically adjacent rectangular frame bodies (4) are connected end to end and are arranged in a front-back staggered mode, the lower end of each stair (7) is connected with a transition platform (8) arranged at the bottom of the rectangular frame body (4), the periphery of the lower end of the rectangular frame body (4) is respectively provided with a magnetic hole (9), the periphery of the upper end of the rectangular frame body (4) is respectively connected with a magnetic pin (10) matched with the magnetic hole (9), the magnetism of the magnetic pin (10) is opposite to that of the magnetic hole (9), the requirement that the magnetic pin (10) at the upper end of the lower rectangular frame body (4) can be smoothly inserted into the magnetic hole (9) at the lower end of the upper rectangular frame body (4) is met, and adjacent ladder cage units are fixedly connected through a triangular rib plate (11);

concrete pier (1) on install a ladder cage straightness detection device that hangs down (12), ladder cage straightness detection device that hangs down (12) and install and carry out electric connection between the controller on ladder cage group, the controller connect a drive switch, satisfy controller drive ladder cage straightness detection device that hangs down (12) and detect the straightness that hangs down of ladder cage.

2. The traffic civil engineering deep foundation pit ladder cage according to claim 1, wherein the ladder cage verticality detection device (12) comprises eight groups of reinforcing ribs (13) vertically connected with four groups of vertical ladder cage units (2), the reinforcing ribs (13) are respectively arranged on four corners of a rectangular frame body (4) of the vertical ladder cage units (2) in a group of two groups in a right angle direction, a rectangular outer frame body (14) arranged on a concrete abutment (1) is arranged outside the vertical ladder cage units, a moving frame (15) is vertically connected on the outer frame body (14) in a sliding manner, the moving frame (15) is connected with a lifting device arranged on the concrete abutment (1) to meet the requirement that the lifting device drives the moving frame (15) to vertically move relatively, the lifting device is electrically connected with a controller, and a measuring device (16) is connected between the moving frame (15) and the reinforcing ribs (13), the measuring device (16) is electrically connected with the controller;

the measuring device (16) comprises a fixed block (17) which is arranged at the lower end of a movable frame (15) and matched with a corresponding reinforcing rib (13), wherein a T-shaped groove (18) is formed in the direction of the fixed block (17) towards the reinforcing rib (13) along the length direction of the fixed block, a T-shaped block (19) is matched in the T-shaped groove (18) in a sliding mode, the T-shaped block (19) can only move along the length direction of the T-shaped groove (18), a first spring (20) is connected between each of two ends of the T-shaped block (19) and the inner wall of the T-shaped groove (18), a cylinder (21) is vertically arranged on one surface of the T-shaped block (19) towards the reinforcing rib (13), a rectangular hole (22) is formed in the end portion of the cylinder (21), a rectangular telescopic rod (23) is matched in the rectangular hole (22) in a sliding mode along the axial direction of the cylinder (, the telescopic link (23) insert and be connected a first pressure spring (24) between the bottom of one end in rectangular hole (22) and rectangular hole (22), the other end of telescopic link (23) rotate and roll wheel (25), still include vertical division at reinforcing rib (13) rectangle spout (26) towards corresponding fixed block (17) one end, roll wheel (25) and rectangle spout (26) between the contact fit, telescopic link (23) connect an L shape pole (27) towards the upside of the one end of reinforcing rib (13), the lower extreme of L shape pole (27) connect a fixed cylinder (28), the vertical sliding connection of lower extreme of fixed cylinder (28) a conductive contact (29) and satisfy and do not break away from, conductive contact (29) extend to fixed cylinder (28) in one end and be connected a second pressure spring (30) between the fixed cylinder (28) bottom, the cylinder (21) outward wind and be equipped with resistance wire (31), satisfy the tip of conductive contact (29) and keep in contact with resistance wire (31) all the time, resistance wire (31), conductive contact (29) between electric connection, and with install the signal processor electric connection on cylinder (21), electric connection between signal processor and the controller, signal processor and install alarm (32) on outer frame body (14) and be connected electrically, satisfy that the effective resistance value of resistance wire (31) is too big or undersize all can trigger controller control alarm (32) behind the signal processor and carry out work.

3. The traffic civil engineering deep foundation pit ladder cage according to claim 2, wherein the lifting device comprises a driving motor (33) installed on the concrete abutment (1), and further comprises a transition plate (34) installed on the movable frame (15), an output shaft of the driving motor (33) is coaxially connected with a lead screw (35), and the other end of the lead screw (35) is rotatably connected to the upper end of the outer frame body (14) and is in threaded fit with the transition plate (34).

4. The traffic and civil engineering deep foundation pit ladder cage as claimed in claim 2, wherein the end of the rectangular hole (22) is connected with a limit frame (36), one end of the telescopic rod (23) inserted into the rectangular hole (22) is connected with a limit block (37) matched with the limit frame (36) and used for limiting the telescopic rod (23) to be pulled out, one end of the conductive contact (29) extending into the fixed cylinder (28) is connected with a limit ring (38), and the open end of the fixed cylinder (28) is connected with a limit ring (39) matched with the limit ring (38).

5. The traffic civil engineering deep foundation pit ladder cage as claimed in claim 2, wherein the initial position where the lower end of the conductive contact (29) is matched with the resistance wire (31) is at the midpoint of the stroke of the resistance wire (31).

6. The traffic civil engineering deep foundation pit ladder cage according to claim 2, characterized in that four corners of the upper end of the movable frame (15) are respectively connected with a shielding plate (40).

Technical Field

The invention belongs to the technical field of civil engineering safety equipment, and particularly relates to a traffic civil engineering deep foundation pit ladder cage.

Background

Underground engineering is not limited to shallow layers of conventional parking lots and civil air defense engineering. The underground buildings developed at present basically have the characteristics of large construction quantity and long period as the ground buildings, the depth of a foundation pit reaches dozens of meters to hundreds of meters, and the building area reaches hundreds of thousands of square meters to millions of square meters. In the underground operation construction of a deep foundation pit, an up-down channel special for constructors leading from the ground to the pit bottom needs to be arranged in the pit which is complex in soil environment, faces the danger that surrounding soil collapses at any time, and the ground is continuously provided with sundries falling and the ground at the pit bottom collapses, but a frame-built escalator used in the current ground construction is obviously insufficient, and the foundation pit is excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed. The person who is not excavated can use the method of putting the side slope to stabilize the earth slope, and the size of the slope is determined according to the relevant construction regulations. When a deeper foundation pit and a nearby building are excavated, a foundation pit wall supporting method, a concrete spraying wall protecting method and a large foundation pit are used, even an underground continuous wall and a columnar bored pile are used for interlocking, so that an outer soil layer is prevented from collapsing, in the underground operation construction of the deep foundation pit, an up-down channel special for constructors leading from the ground to the pit bottom needs to be arranged in the pit with complex soil environment and danger of soil collapse at any time, continuous falling of sundries on the ground and collapse of the pit bottom ground, and the frame-built escalator used in the current ground building construction is obviously insufficient.

Disclosure of Invention

Aiming at the problems, the invention provides a traffic civil engineering deep foundation pit ladder cage, and solves the problems that the structure is single, the installation is inconvenient, and the perpendicularity of the ladder cage is not detected in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme that the traffic civil engineering deep foundation pit ladder cage comprises a foundation pit which is subjected to side slope support, and a concrete abutment is poured at the bottom of the foundation pit, and is characterized in that the upper end of the concrete abutment is connected with a ladder cage group;

the ladder cage group is formed by splicing a plurality of vertical ladder cage units and transverse ladder cage units, each ladder cage unit comprises a rectangular frame body, the peripheral side wall of the rectangular frame body is fixedly connected with crossed ribs due to fixed supports, reinforcing steel bar protective nets are installed on the peripheral side wall of the rectangular frame body, the right side wall of the ladder cage at the lowest layer is provided with an outlet, the left end of the ladder cage at the uppermost layer is provided with an inlet and is communicated with the transverse ladder cage units at the inlet, an inclined stair is installed in the rectangular frame body of each vertical ladder cage unit, the stairs in two groups of vertically adjacent rectangular frame bodies are connected end to end and are arranged in a front-back staggered mode, the lower end of the stair is connected with a transition platform installed at the bottom of the rectangular frame body, magnetic holes are respectively formed around the lower end of the rectangular frame body, and magnetic pins matched with the magnetic holes are respectively connected around the upper end of the rectangular frame body, the magnetism of the magnetic pin is opposite to that of the magnetic hole, so that the magnetic pin at the upper end of the lower rectangular frame body can be smoothly inserted into the magnetic hole at the lower end of the upper rectangular frame body, and adjacent ladder cage units are fixedly connected through triangular rib plates;

the concrete pier on install a ladder cage straightness detection device that hangs down, ladder cage straightness detection device that hangs down and install and carry out electric connection between the controller on ladder cage group, the controller connect a drive switch, satisfy controller drive ladder cage straightness detection device that hangs down and detect the straightness that hangs down of ladder cage.

Preferably, the ladder cage verticality detection device comprises eight groups of reinforcing ribs vertically connected with four groups of vertical ladder cage units, each two groups of reinforcing ribs are vertically arranged at four corners of a rectangular frame of each vertical ladder cage unit in a right-angle direction, a rectangular outer frame arranged on a concrete pier is arranged outside each vertical ladder cage unit, a moving frame is vertically and slidably connected to the outer frame, the moving frame is connected with a lifting device arranged on the concrete pier, the lifting device drives the moving frame to vertically move relatively, the lifting device is electrically connected with a controller, a measuring device is connected between the moving frame and the reinforcing ribs, and the measuring device is electrically connected with the controller;

the measuring device comprises a fixed block which is arranged at the lower end of a movable frame and is matched with a corresponding reinforcing rib, a T-shaped groove is formed in the direction of the fixed block facing the reinforcing rib along the length direction of the fixed block, a T-shaped block is matched in the T-shaped groove in a sliding mode to meet the requirement that the T-shaped block can only move along the length direction of the T-shaped groove, a first spring is respectively connected between the two ends of the T-shaped block and the inner wall of the T-shaped groove, a cylinder is vertically arranged on one surface of the T-shaped block facing the reinforcing rib, a rectangular hole is formed in the end portion of the cylinder, a rectangular telescopic rod is matched in the rectangular hole in a sliding mode along the axial direction of the cylinder and cannot be separated from the rectangular hole, a first pressure spring is connected between one end of the telescopic rod inserted into the rectangular hole and the bottom of the rectangular hole, a rolling, the rolling wheels are in contact fit with the rectangular sliding grooves, the upper side of one end of the telescopic rod, which faces the reinforcing rib, is connected with an L-shaped rod, the lower end of the L-shaped rod is connected with a fixed cylinder, the lower end of the fixed cylinder is vertically connected with a conductive contact in a sliding way and is not separated, a second pressure spring is connected between one end of the conductive contact extending into the fixed cylinder and the bottom of the fixed cylinder, the resistance wire is wound outside the cylinder to meet the requirement that the end part of the conductive contact is always in contact with the resistance wire, the resistance wire and the conductive contact are electrically connected, and is electrically connected with a signal processor arranged on the cylinder, the signal processor is electrically connected with the controller, the signal processor is electrically connected with the alarm arranged on the outer frame body, so that the condition that the effective resistance value of the resistance wire is too large or too small can be met, and the signal processor triggers the controller to control the alarm to work.

Preferably, elevating gear including installing the driving motor on the concrete pier, still including installing the cab apron of crossing on moving the frame, driving motor's output shaft coaxial coupling lead screw, the other end of lead screw rotate to be connected in the upper end of outer frame body, and with cross screw-thread fit between the cab apron.

Preferably, the end of the rectangular hole is connected with a limiting frame, one end of the telescopic rod inserted into the rectangular hole is connected with a limiting block matched with the limiting frame to limit the telescopic rod to be separated from the rectangular hole, one end of the conductive contact extending into the fixed cylinder is connected with a limiting ring, and the open end of the fixed cylinder is connected with a limiting ring matched with the limiting ring.

Preferably, the initial position of the lower end of the conductive contact matched with the resistance wire is located at the midpoint of the stroke of the resistance wire.

Preferably, the fourth bevel gear is coaxially provided with a cam arranged outside the query table, the cam is in sliding fit with a matching cylinder in the direction of the outer edge, the matching cylinder is vertically connected to the side wall of the query table in a sliding manner, the lower end of the matching cylinder is vertically matched with a bolt and does not break away from the bolt, a third spring arranged in the matching cylinder is connected between the bolt and the matching cylinder, a pin hole matched with the bolt is formed in the rotating shaft of the deflector rod along the radial direction, and the rotation of the rotating shaft of the deflector rod can be limited by the matching of the bolt and the pin hole.

Preferably, four corners of the upper end of the movable frame are respectively connected with a shielding plate.

The invention has the beneficial effects that: the invention facilitates the user to enter a deep foundation pit with deeper vertical height for operation by utilizing the combination of the transverse ladder cage unit and the vertical ladder cage unit, realizes stable support of the structure by utilizing the reinforcing ribs and the cross ribs, and utilizes the magnetic pins and the magnetic holes at the upper end and the lower end of the rectangular frame body on the upper ladder cage and the lower ladder cage in the vertical ladder cage unit to carry out magnetic matching, so that the positioning is more accurate and the installation efficiency is higher in the hoisting installation of the vertical ladder cage unit, meanwhile, the outer frame body is additionally arranged on the concrete pier, the movable detection device is arranged between the outer frame body and the reinforcing ribs, the offset of the whole ladder cage in all directions in the front, the back, the left and the right directions in the vertical direction is quantized by utilizing the matching of the conductive contact on the telescopic rod and the resistance wire driven by the rolling wheel, the amplification treatment of tiny displacement change is realized, the detection of the verticality of, the construction unit is beneficial to fine management of the construction unit, potential safety hazards are avoided, the structure is ingenious, the use is convenient and simple, the practicability is high, and the construction unit is suitable for popularization and use.

Drawings

Fig. 1 is a perspective view of the first stereoscopic structural diagram of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 is a perspective view of the ladder cage assembly of the present invention.

Fig. 5 is a perspective view of the vertical ladder cage unit according to the present invention.

Fig. 6 is a perspective view two of the vertical ladder cage unit of the present invention.

Fig. 7 is a perspective view I of the ladder cage assembly of the present invention with the ladder cage assembly removed.

Fig. 8 is a perspective view II of the ladder cage assembly of the present invention with the ladder cage assembly removed.

Fig. 9 is a perspective view of the movable frame of the present invention with the shielding plate removed.

FIG. 10 is a perspective view of a part of the structure of the measuring apparatus of the present invention.

FIG. 11 is a top view of FIG. 10 of the present invention.

FIG. 12 is a cross-sectional view taken along plane A-A of FIG. 11 according to the present invention.

Fig. 13 is a perspective view and a partial sectional view of the telescopic rod and the connecting part thereof according to the present invention.

Reference numerals: 1. a concrete abutment; 2. a vertical ladder cage unit; 3. a transverse ladder cage unit; 4. a rectangular frame body; 5. a cross rib; 6. a steel bar protective net; 7. a staircase; 8. a transition platform; 9. a magnetic aperture; 10. a magnetic pin; 11. triangular rib plates; 12. a ladder cage verticality detection device; 13. reinforcing ribs; 14. an outer frame body; 15. moving the frame; 16. a measuring device; 17. a fixed block; a T-shaped slot; a T-block; 20. a first spring; 21. a cylinder; 22. a rectangular hole; 23. a telescopic rod; 24. a first pressure spring; 25. a rolling wheel; 26. a rectangular chute; an L-shaped rod; 28. a fixed cylinder; 29. a conductive contact; 30. a second pressure spring; 31. a resistance wire; 32. an alarm; 33. a drive motor; 34. a transition plate; 35. a lead screw; 36. a limiting frame; 37. a limiting block; 38. a limiting ring; 39. a confinement ring; 40. a shielding plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 13 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 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.