CN113389363A - Combined splicing type liftable protective tower - Google Patents
Combined splicing type liftable protective tower Download PDFInfo
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- CN113389363A CN113389363A CN202110668043.7A CN202110668043A CN113389363A CN 113389363 A CN113389363 A CN 113389363A CN 202110668043 A CN202110668043 A CN 202110668043A CN 113389363 A CN113389363 A CN 113389363A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Civil Engineering (AREA)
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Abstract
本发明公开了一种组合拼接式可升降防护塔架，底座呈方框结构，底座的四角安装有伸缩支臂，伸缩支臂的外端连接有调节螺杆，调节螺杆的下端装有脚垫，底座的中间位置平行设置有固定横梁，固定横梁上设置有耳块，耳块上固定装有定位螺栓；桁架由相邻的长条状异形杆通过空心框杆连接构成的长方形框体，导向框包括左框架和右框架，左框架和右框架对接构成方框形的导向框，纵向桁架组的顶端装有保险架。本发明采用模块化构件结构，按施工跨度需求架设若干塔架后，能满足拼接式支架结构体系垂直方向和横向连接稳定。在水平框架上搭设临时跳板，可作为施工平台。装运方便，升降稳定，依靠螺母锁紧固定，可以实现快速定位及轴向连接，安全可靠。
The invention discloses a combined splicing type liftable protective tower, the base is in a box structure, the four corners of the base are provided with telescopic arms, the outer ends of the telescopic arms are connected with adjustment screws, and the lower ends of the adjustment screws are provided with foot pads. The middle position of the base is provided with a fixed beam in parallel, an ear block is arranged on the fixed beam, and a positioning bolt is fixed on the ear block; the truss is a rectangular frame formed by connecting adjacent elongated special-shaped rods through hollow frame rods, and the guide frame Including left frame and right frame, the left frame and right frame are connected to form a box-shaped guide frame, and the top of the longitudinal truss group is provided with a safety frame. The invention adopts a modular component structure, and after erecting several towers according to the requirements of the construction span, it can satisfy the vertical and lateral connection stability of the spliced support structure system. A temporary springboard is erected on the horizontal frame, which can be used as a construction platform. Easy to transport, stable up and down, fast positioning and axial connection, safe and reliable.
Description
Technical Field
The invention relates to high-altitude large-span truss equipment for protecting power transmission and transformation cables, in particular to a combined spliced type liftable protection tower.
Background
When the cable is sent and changed in the high-voltage power transmission and transformation construction, the cable is often required to cross facilities such as roads, railways and bridges. In order to prevent the cable from accidentally falling and ensure the insulation distance, protective supports need to be erected on the facilities along the two sides of the cable path area, so that a protective net is laid on the protective supports for safety protection. Such protective supports often have the characteristics of large height and large span, and the requirements of the construction related operation standard on the bearing capacity must be met. At present, a large number of buckles or bolts and nuts are manually carried on the back to erect a steel pipe scaffold to serve as a protective support, time and labor are consumed, great potential safety hazards of climbing operation exist, and the requirements for bearing capacity and anti-overturning capacity of the protective support in operation standards are difficult to meet.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a combined splicing type liftable protection tower frame to realize lifting of a large-span spliced truss, save time and labor in assembly and disassembly, greatly improve the bearing capacity and the anti-overturning capacity of a protection support and avoid the operation risk of erecting a scaffold at high altitude.
The object of the invention is thus achieved. The combined splicing type liftable protective tower comprises a base, a truss and a guide frame, wherein the base is of a square frame structure, telescopic support arms are arranged at four corners of the base, the outer ends of the telescopic support arms are connected with adjusting screws, and foot pads are arranged at the lower ends of the adjusting screws; a fixed cross beam is arranged in parallel at the middle position of the base, an ear block is arranged on the fixed cross beam, and a positioning bolt is fixedly arranged on the ear block;
the truss is a rectangular frame body formed by connecting adjacent long-strip-shaped special-shaped rods through hollow frame rods, positioning bolts are fixedly arranged on the inner sides of four corners of one end of the frame body, lugs are fixedly arranged on the inner sides of four corners of the other end of the frame body, the positioning bolts correspond to the lugs in position, and special-shaped nuts are arranged on the lugs; adjacent trusses are connected by positioning bolts and special-shaped nuts on lugs to form a longitudinal truss group or a transverse truss group; the special-shaped nuts at the ends of the longitudinal truss groups are fixedly connected with the positioning bolts on the bases, the peripheries of the longitudinal truss groups on the adjacent bases are sleeved with guide frames, and locking rods are inserted between the lower frames of the guide frames and the cross beams of the longitudinal truss groups;
the guide frame comprises a left frame and a right frame, the left frame and the right frame are both U-shaped, two ends of the left frame are both provided with a plug connector, two ends of the right frame are both provided with a jack corresponding to the plug connector, the plug connector and the jack are both provided with through holes corresponding to each other, and the central axis of the through hole is parallel to the central axis of the guide frame; the plug pin is inserted into the through holes of the plug connector and the jack and is fixedly connected with the jack through the locking nut; the left frame and the right frame are butted to form a square guide frame; the upper opposite side of the guide frame is fixedly provided with a first lifting lug, the inner sides of the four corners are fixedly provided with guide wheel seats, and guide wheels with arc-shaped grooves are arranged on the guide wheel seats; a lug plate which corresponds to the positioning bolt in position and is provided with a special-shaped nut is arranged in the guide frame side frame body; the adjacent longitudinal truss groups are butted with the positioning bolts on the transverse truss groups through the special-shaped nuts of the lugs on the guide frames; the guide wheels are connected with the cambered surfaces of the special-shaped rods outside the four corners of the longitudinal truss group;
the top of vertical truss group is equipped with the insurance frame, and the cross arm roof beam of insurance frame passes through the connecting block and is as an organic whole with quarter butt fixed connection, and the insurance frame passes through the inserted bar cartridge in the quarter butt with truss top fixed connection, and the one end of cross arm roof beam is provided with the second lug, and the second lug is connected with the calabash, and the calabash passes through wire rope and is connected with the first lug on the guide frame.
Furthermore, the positioning bolt is step-shaped, one end of the positioning bolt is a screw rod, the other end of the positioning bolt is a platform, the middle of the positioning bolt is a positioning column, and an oblique guide angle is arranged at the joint of the positioning column and the screw rod.
Furthermore, one end of a positioning sleeve of the special-shaped nut is an outer hexagonal cover-shaped nut and is provided with an inner hole corresponding to the positioning bolt positioning column, the bottom of the inner hole is provided with an inner thread matched with a positioning bolt screw rod, the other end of the positioning sleeve is provided with a retaining ring, the outer side of the retaining ring is provided with a clamping groove, the special-shaped nut is arranged in the lug hole in a penetrating mode through the positioning sleeve, the retaining ring is attached to one side of the lug, and the clamping spring is located on the other side of the lug and clamped in the clamping groove.
Furthermore, the section of the special-shaped rod is square, three angles are right angles, and the other angle is an arc surface angle.
Furthermore, the cambered surface angle is correspondingly matched with the cambered groove of the guide wheel.
Further, a reinforcing rib is arranged in the special-shaped rod.
Furthermore, the upper end of the bolt is an ear handle, and the lower end of the bolt is provided with a thread matched with the locking nut.
The invention adopts a modular component structure, and can meet the requirements of stable vertical and transverse connection of a splicing type support structure system after a plurality of towers are erected according to the construction span requirement. The temporary springboard is erected on the horizontal frame, can be used as a construction platform, is safe and reliable, convenient to ship and stable to lift, and can be locked and fixed by bolts and nuts on the truss, so that quick positioning and axial connection can be realized.
Drawings
FIG. 1 is a perspective view of the general structure of the present invention;
FIG. 2 is a schematic perspective view of a base 1 according to the present invention;
fig. 3 is a schematic perspective view of the truss 2 according to the present invention;
FIG. 4 is a schematic perspective view of the guide frame 3 according to the present invention;
FIG. 5 is a perspective view of the latch 34 of the present invention;
fig. 6 is a schematic perspective view of the guide frame 3 and the longitudinal truss group 201 according to the present invention;
fig. 7 is a schematic view of the installation structure of the safety frame 4 according to the present invention;
fig. 8 is a schematic perspective view of the safety frame 4 according to the present invention;
FIG. 9 is a partial sectional view showing the construction of the positioning bolt 7 according to the present invention;
FIG. 10 is a schematic view showing an assembled state of the special-shaped nut 10 and the positioning bolt 7 according to the present invention
In the figure: 1. the device comprises a base, 11 adjusting screws, 12 foot pads, 13 telescopic support arms, 14 ear blocks and 15 fixed cross beams, wherein the base is fixed on the base;
2. truss, 201, longitudinal truss group, 202, transverse truss group; 21. a special-shaped rod, 22, a hollow frame rod;
3. the guide frame comprises a guide frame, 31, a guide wheel, 32, a guide wheel seat, 33, a first lifting lug, 34, a bolt, 35, a locking nut, 36, a left frame, 361, a plug connector, 37, a right frame and 371, a jack;
4. the safety frame comprises a safety frame, 41, a cross beam, 42, an inserted rod, 43, a short beam, 44, a connecting block and 45, a second lifting lug;
5. a gourd, 6 steel wire ropes, 7 positioning bolts, 8 lugs and 9 locking rods;
10. the special-shaped nut is 101, the cap-shaped nut is 102, the locating sleeve is 103, and the clamp spring is 103.
Detailed Description
The invention is explained in detail in the following structural drawings and examples. Referring to fig. 1 to 10, the combined splicing type liftable protection tower comprises a base 1, a truss 2 and a guide frame 3, wherein the base 1 is of a square frame structure, telescopic support arms 13 are mounted at four corners of the base 1, the outer ends of the telescopic support arms 13 are connected with adjusting screws 11, and foot pads 12 are mounted at the lower ends of the adjusting screws 11; the middle position of the base 1 is parallelly provided with a fixed cross beam 15, an ear block 14 is arranged on the fixed cross beam 15, and a positioning bolt 7 is fixedly arranged on the ear block 14.
The truss 2 is a rectangular frame body (as shown in fig. 3) formed by connecting adjacent strip-shaped special-shaped rods 21 through hollow frame rods 22, positioning bolts 7 are fixedly arranged on the inner sides of four corners of one end of the frame body, the positioning bolts 7 are step-shaped (as shown in fig. 9), one end of each positioning bolt is a screw rod, the other end of each positioning bolt is a platform, the middle of each positioning bolt is a positioning column, and an oblique guide angle is arranged at the joint of each positioning column and each screw rod. The inner sides of the four corners of the other end of the frame body are fixedly provided with lugs 8, the positioning bolts 7 correspond to the lugs 8 in position, and special-shaped nuts 10 are arranged on the lugs 8; adjacent trusses 2 are connected by positioning bolts 7 and special-shaped nuts 10 on lugs 8 to form a longitudinal truss group 201 or a transverse truss group 202; the special-shaped nuts 10 at the ends of the longitudinal truss groups 201 are fixedly connected with the positioning bolts 7 on the base 1 (as shown in fig. 10), the guide frames 3 are sleeved on the peripheries of the longitudinal truss groups 201 on the adjacent base 1, and locking rods 9 are inserted between the lower frames of the guide frames 3 and the cross beams of the longitudinal truss groups 201.
The guide frame 3 comprises a left frame 36 and a right frame 37 (as shown in fig. 4), the left frame 36 and the right frame 37 are both U-shaped, two ends of the left frame 36 are both provided with a plug 361, two ends of the right frame 37 are both provided with a jack 371 corresponding to the plug 361, the plug 361 and the jack 371 are both provided with through holes corresponding to each other, and the central axis of the through holes is parallel to the central axis of the guide frame 3. The upper end of the bolt 34 is an ear handle (as shown in fig. 5), the lower end is provided with a thread matched with the locking nut 35, and the bolt 34 is inserted into the through holes of the plug 361 and the jack 371 and is fixedly connected with the plug by the locking nut 35; the left frame 36 and the right frame 37 are butted to form a square guide frame 3; a first lifting lug 33 is fixedly arranged on the upper opposite side of the guide frame 3, a guide wheel seat 32 is fixedly arranged on the inner side of the four corners, and a guide wheel 31 with an arc-shaped groove is arranged on the guide wheel seat 32; a lug 8 corresponding to the positioning bolt 7 in position and provided with a special-shaped nut 10 is arranged in the frame body on the side surface of the guide frame 3; the adjacent longitudinal truss groups 201 are butted with the positioning bolts 7 on the transverse truss groups 202 through the special-shaped nuts 10 of the lugs 8 on the guide frame 3 (as shown in fig. 6); the section of the special-shaped rod 21 is square, three angles are right angles, and the other angle is an arc surface angle. The arc surface angle is correspondingly matched with the arc groove of the guide wheel 31. Reinforcing ribs are provided in the profiled bar 21 to increase its strength. The guide wheels 31 are connected with the cambered surface corners of the profiled bars 21 at the outer sides of the four corners of the longitudinal truss group 201.
The top end of the longitudinal truss group 201 is provided with a safety guard 4, a cross beam 41 of the safety guard 4 is fixedly connected with a short beam 43 into a whole through a connecting block 44 (as shown in fig. 7 and 8), the safety guard 4 is inserted into the short beam 43 through an inserting rod 42 and is fixedly connected with the top end of the truss 2, one end of the cross beam 41 is provided with a second lifting lug 45, the second lifting lug 45 is connected with a hoist 5, and the hoist 5 is connected with a first lifting lug 33 on the guide frame 3 through a steel wire rope 6.
One end of a positioning sleeve 102 of the special-shaped nut 10 is an outer hexagonal cap-shaped nut 101 and is provided with an inner hole corresponding to a positioning column of the positioning bolt 7, the bottom of the inner hole is provided with an inner thread (shown in fig. 10) matched with a screw rod of the positioning bolt 7, the other end of the positioning sleeve 102 is provided with a retaining ring, the outer side of the retaining ring is provided with a clamping groove, the special-shaped nut 10 penetrates through the positioning sleeve 102 and is arranged in a hole of the lug 8, the retaining ring is attached to one side of the lug 8, and the clamping spring 103 is located on the other side of the lug 8 and is clamped in the clamping groove. The distance between the retainer ring of the special-shaped nut 10 and the groove of the mounting clamp spring 103 is slightly larger than the thickness of the lug 8, so that the special-shaped nut 10 can be attached to the truss 2, and meanwhile, the spanner can be enabled to freely rotate and reserve a locking stroke when the cover-shaped nut 101 of the special-shaped nut 10 is locked by the spanner.
Example (b):
the combined spliced type liftable protection tower frame is formed by combining a base 1, a truss 2 and a guide frame 3 (as shown in figure 1). After a plurality of vertical tower frame groups are erected according to the construction span requirement, the vertical truss groups 201 and the transverse truss groups 202 are mutually spliced among the guide sleeves 3 to form a horizontal frame. The horizontal frames connected among the tower groups form a combined spliced self-lifting protection bracket system.
Wherein four angles of base 1 all install flexible support arm 13 (as shown in fig. 2), adjusting screw 11 is all equipped with to the outer end of four flexible support arms 13, and callus on the sole 12 is equipped with to adjusting screw 11's lower extreme. The height and the levelness of the base 1 can be changed by rotating the adjusting screw rod 11, and the requirement that the spliced self-lifting protective support system is stable in the direction perpendicular to the ground is met.
The top of the truss 2 is provided with a detachable safety frame 4 (as shown in fig. 3 and 8), and after a cross beam 41 of the safety frame 4 is loaded with a wire rope hoist 5, a hanger assembly is formed. After the transverse frame assembly 202 is assembled, the hoist hook can be hung on the first lifting lug 33 of the guide frame 3. The guide frame 3 is butted or disassembled by a bolt 34. The guide wheel seat 32 welded at the four corners of the inner side of the guide frame 3 is fixedly provided with a guide wheel 31 by bolts to play a role of lifting and guiding. After the left frame 36 and the right frame 37 of the guide frame 3 are separated and opened, the periphery of the longitudinal truss group 201 is sleeved, and the special-shaped rods 21 at the four corners in the longitudinal truss group 201 are guided to ascend and descend through the guide wheels 31. After the horizontal frame group 202 is lifted and adjusted to a required height, a lock rod 9 is inserted between the lower frame of the guide frame 3 and the cross beam of the longitudinal truss group 201 to realize height positioning and fixing (as shown in fig. 6), so that the horizontal plane longitudinal and horizontal connection stability of the spliced self-lifting protective support system is met. Meanwhile, temporary springboards can be erected on the transverse frame group 202 to serve as construction platforms.
On the basis of the scheme, the truss 2, the longitudinal truss group 201 and the transverse truss group 202 are spliced by modularized universal members, and the modularized members are identical in structure.
The installation and construction process of the invention is as follows:
step 1): according to the construction needs, a plurality of groups of bases 1 are used as tower foundations and placed in a formulated area of a construction site, and the bases 1 are supported by the foot pads 12 in a grounding mode through adjusting screws 11 of the foot pads 12.
Step 2): aligning the horizontal planes of the plurality of groups of bases 1 in the step 1) vertically and horizontally. According to the foundation conditions of the ground of a construction site, the height of the base 1 is adjusted on the base 1 by adjusting the adjusting screw rod 11 according to the respective requirements, so that the fixed cross beams 15 on the bases 1 are positioned on the same horizontal plane.
Step 3): and the positioning bolt 7 at the top of each base 1 is spliced and connected with the special-shaped nut 10 on the lug 8 at the bottom of the first section of truss 2 to complete the installation of the first section of truss 2. The lock nut 35 on the bolt 34 at the joint of the left frame 36 and the right frame 37 of the guide frame 3 is loosened, and the bolt 34 is withdrawn, so that the left frame 36 and the right frame 37 are separated. The left frame 36 and the right frame 37 are butted and sleeved on the periphery of the truss 2, a bolt 34 (shown in fig. 5) is inserted into the joint, and a locking nut 35 is fastened to enable the guide wheel 31 on the guide frame 3 to be attached to the arc-shaped corners of the profile bars 21 at the four corners of the truss 2, so that the guide frame 3 can move on the truss 2 in a guiding mode. The first section of truss 2 is spliced and connected with the truss 2 through the positioning bolt 7 and the special-shaped nut 10 to form a longitudinal truss group 201, and the guide frame 3 can lift along the longitudinal truss group 201.
Step 4): the transverse beam 41 and the short beam 43 are fixedly welded and connected into a whole through the connecting block 44 to form the safety frame 4 (as shown in fig. 7 and 8), the safety frame 4 is inserted into the short beam 43 through the inserting rod 42 and fixedly connected with the top end of the truss 2 of the longitudinal truss group 201, the second lifting lug 45 arranged at one end of the transverse beam 41 is connected with the hoist 5, and the hoist 5 is connected with the first lifting lug 33 on the guide frame 3 through the steel wire rope 6 (as shown in fig. 7). The height level of the guide frame 3 on each group of longitudinal truss groups 201 is adjusted through the hoist 5. And (3) connecting the special-shaped nuts 10 on the lugs 8 on the periphery of the guide frame 3 with the positioning bolts 7 on the truss 2 in a manner similar to the step 3) to form a transverse truss group 202. Meanwhile, a temporary springboard is erected on the transverse truss group 202 to serve as a construction platform. And placing the subsequent members to be assembled on the construction platform.
Step 5): the guide frame 3 is simultaneously lifted through the hoists 5 hung on the safety frame 4 on the top truss 2 of the longitudinal truss groups 201, and the whole construction platform is lifted to the height convenient for operation. And then the lock rod 9 for spare use is inserted between the guide frame 3 and the truss 2 frame to support the guide frame 3 and perform safety fixing on the construction platform. And (5) loosening the lifting hook of the hoist 5, and taking down the safety frame 4, the steel wire rope 6 and the hoist 5.
Step 6): the operator stands on the construction platform, sleeves a new section of truss 2 on the positioning bolt 7 of the top truss 2 of the erected previous section of longitudinal truss group 201 through the lug 8 at the bottom and screws the special-shaped nut 10 attached to the lug 8, so that the longitudinal truss group 201 is lifted. And installing a safety frame 4 at the top of the new section of truss 2 and hanging a hoist 5 with a steel wire rope 6, sleeving the steel wire rope 6 on a first lifting lug 33 of the corresponding guide frame 3 on the construction platform, and simultaneously lifting the steel wire rope hoists 5 on the safety frames 4 at the tops of the longitudinal truss groups 201 to ensure that the construction platform is continuously lifted to a proper position where the longitudinal truss groups 201 ascend by one section, and inserting a locking rod 9 for safety fixation.
Step 7): and repeating the operations of the step 5) and the step 6) to assemble the transverse truss groups 202 section by section to a proper operation height. With the gradual assembly of the truss 2, the construction platform has risen to the uppermost section. The safety frame 4 with the hoist 5 and the steel wire rope 6 is reserved on the top of the longitudinal truss group 201.
Step 8): according to the requirement of construction operation, a new group of horizontal frames consisting of the guide frame 3, the longitudinal truss group 201 and the transverse truss group 202 can be continuously assembled on the ground, hoisted and fixed to a certain height by using the hoist 5 on the safety frame 4 at the top of the longitudinal truss group 201 for supplementary erection, and locked by inserting the lock rod 9, so that the requirement of the protective bracket system on the anti-overturning force is met.
Step 9): and after the construction operation is finished, the tower system is dismantled in a reverse pushing mode (reverse operation) according to the steps.
Claims (7)
1. Combination concatenation formula liftable protection pylon, including base, truss and guide frame, its characterized in that: the base is of a square frame structure, the four corners of the base are provided with telescopic support arms, the outer ends of the telescopic support arms are connected with adjusting screws, and the lower ends of the adjusting screws are provided with foot pads; a fixed cross beam is arranged in parallel at the middle position of the base, an ear block is arranged on the fixed cross beam, and a positioning bolt is fixedly arranged on the ear block;
the truss is a rectangular frame body formed by connecting adjacent long-strip-shaped special-shaped rods through hollow frame rods, positioning bolts are fixedly arranged on the inner sides of four corners of one end of the frame body, lugs are fixedly arranged on the inner sides of four corners of the other end of the frame body, the positioning bolts correspond to the lugs in position, and special-shaped nuts are arranged on the lugs; adjacent trusses are connected by positioning bolts and special-shaped nuts on lugs to form a longitudinal truss group or a transverse truss group; the special-shaped nuts at the ends of the longitudinal truss groups are fixedly connected with the positioning bolts on the bases, the peripheries of the longitudinal truss groups on the adjacent bases are sleeved with guide frames, and locking rods are inserted between the lower frames of the guide frames and the cross beams of the longitudinal truss groups;
the guide frame comprises a left frame and a right frame, the left frame and the right frame are both U-shaped, two ends of the left frame are both provided with a plug connector, two ends of the right frame are both provided with a jack corresponding to the plug connector, the plug connector and the jack are both provided with through holes corresponding to each other, and the central axis of the through hole is parallel to the central axis of the guide frame; the plug pin is inserted into the through holes of the plug connector and the jack and is fixedly connected with the jack through the locking nut; the left frame and the right frame are butted to form a square guide frame; the upper opposite side of the guide frame is fixedly provided with a first lifting lug, the inner sides of the four corners are fixedly provided with guide wheel seats, and guide wheels with arc-shaped grooves are arranged on the guide wheel seats; a lug plate which corresponds to the positioning bolt in position and is provided with a special-shaped nut is arranged in the guide frame side frame body; the adjacent longitudinal truss groups are butted with the positioning bolts on the transverse truss groups through the special-shaped nuts of the lugs on the guide frames; the guide wheels are connected with the cambered surfaces of the special-shaped rods outside the four corners of the longitudinal truss group;
the top of vertical truss group is equipped with the insurance frame, and the cross arm roof beam of insurance frame passes through the connecting block and is as an organic whole with quarter butt fixed connection, and the insurance frame passes through the inserted bar cartridge in the quarter butt with truss top fixed connection, and the one end of cross arm roof beam is provided with the second lug, and the second lug is connected with the calabash, and the calabash passes through wire rope and is connected with the first lug on the guide frame.
2. The combined splicing type liftable protection tower frame as claimed in claim 1, wherein the positioning bolt is step-shaped, one end of the positioning bolt is a screw, the other end of the positioning bolt is a platform, the middle of the positioning bolt is a positioning column, and an oblique guide angle is arranged at the joint of the positioning column and the screw.
3. The combined splicing type liftable protection tower frame as claimed in claim 1, wherein one end of a positioning sleeve of the special-shaped nut is an outer hexagonal cap-shaped nut and is provided with an inner hole corresponding to the positioning bolt positioning column, the bottom of the inner hole is provided with an inner thread matched with the positioning bolt screw, the other end of the positioning sleeve is provided with a retaining ring, the outer side of the retaining ring is provided with a clamping groove, the special-shaped nut is arranged in the lug hole in a penetrating manner through the positioning sleeve, the retaining ring is attached to one side of the lug, and the clamping ring is located at the other side of the lug and is clamped in the clamping groove.
4. The combined splicing type liftable protection tower frame of claim 1, wherein the section of the special-shaped rod is square, three corners are right angles, and the other corner is an arc surface corner.
5. The combined splicing type liftable protection tower frame as claimed in claim 4, wherein the cambered surface angle is correspondingly matched with the cambered groove of the guide wheel.
6. The combined splicing type liftable protection tower frame of claim 1, wherein a reinforcing rib is arranged in the special-shaped rod.
7. The combined splicing type liftable protection tower frame as claimed in claim 1, wherein the upper end of the plug pin is an ear handle, and the lower end of the plug pin is provided with a thread matched with the locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110668043.7A CN113389363A (en) | 2021-06-16 | 2021-06-16 | Combined splicing type liftable protective tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110668043.7A CN113389363A (en) | 2021-06-16 | 2021-06-16 | Combined splicing type liftable protective tower |
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| CN113389363A true CN113389363A (en) | 2021-09-14 |
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| CN202110668043.7A Pending CN113389363A (en) | 2021-06-16 | 2021-06-16 | Combined splicing type liftable protective tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114583646A (en) * | 2022-02-23 | 2022-06-03 | 淮北矿业股份有限公司 | A simple monorail hanging bracket sample frame |
| CN114776229A (en) * | 2022-04-25 | 2022-07-22 | 中铁大桥勘测设计院集团有限公司 | Water area CPTU test system and test method |
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| CN212518353U (en) * | 2020-05-29 | 2021-02-09 | 中铁工程装备集团盾构制造有限公司 | Rotatable cable leading wheel |
| CN215331283U (en) * | 2021-06-16 | 2021-12-28 | 墨班智能设备(上海)有限公司 | Combined splicing type liftable protective tower |
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2021
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| KR100830925B1 (en) * | 2007-08-31 | 2008-05-22 | 세호엔지니어링 주식회사 | Modular mouthpiece |
| CN106284960A (en) * | 2015-05-19 | 2017-01-04 | 周德祥 | Simple attachment type raise scaffold |
| CN210539937U (en) * | 2019-07-24 | 2020-05-19 | 美安士工业科技(上海)有限公司 | Frame structure for storage box |
| CN212518353U (en) * | 2020-05-29 | 2021-02-09 | 中铁工程装备集团盾构制造有限公司 | Rotatable cable leading wheel |
| CN215331283U (en) * | 2021-06-16 | 2021-12-28 | 墨班智能设备(上海)有限公司 | Combined splicing type liftable protective tower |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114583646A (en) * | 2022-02-23 | 2022-06-03 | 淮北矿业股份有限公司 | A simple monorail hanging bracket sample frame |
| CN114583646B (en) * | 2022-02-23 | 2025-08-19 | 淮北矿业股份有限公司 | Simple monorail crane type support sample rack |
| CN114776229A (en) * | 2022-04-25 | 2022-07-22 | 中铁大桥勘测设计院集团有限公司 | Water area CPTU test system and test method |
| CN114776229B (en) * | 2022-04-25 | 2024-01-23 | 中铁大桥勘测设计院集团有限公司 | Water area CPTU test system and test method |
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