CN210910569U - Semi-automatic T-beam prestress tensioning safe operation platform - Google Patents

Abstract

The utility model relates to a prestressing force stretch-draw technical field specifically indicates a semi-automatization T roof beam prestressing force stretch-draw safe operation platform. Including the couple, its characterized in that: also comprises a protective cover body; the protective cover body is hollow structure, and the gyro wheel is installed to protective cover body's lower extreme edge, and protective cover body lower extreme is provided with the bearing structure who is the same as adjusting protective cover body levelness, and protective cover body upper end is provided with the regulation structure who is used for adjusting the couple position. The utility model discloses an operation platform simple structure, the convenient high efficiency of mode regulation can deal with the topography construction of various not isostructures, and stretch-draw atress conduction concentrates the high efficiency more, has very big spreading value.

Description

Semi-automatic T-beam prestress tensioning safe operation platform

Technical Field

The utility model relates to a prestressing force stretch-draw technical field specifically indicates a semi-automatization T roof beam prestressing force stretch-draw safe operation platform.

Background

The safe tensioning operation platform is a safety protection device applied to ensure the safe operation of T-beam prestress tensioning and avoid the occurrence of undesirable phenomena such as steel strand breakage during tensioning.

The T-beam prestress tensioning is an important link in T-beam prefabrication, a safe operation platform used for the T-beam prestress tensioning is relatively rough and simple at present, and the T-beam prestress tensioning is moved on a T-beam prefabrication field mainly by a gantry crane; the safety operation platform can not be completely fixed during tensioning, so that the operation platform can move randomly during tensioning, and certain influence is generated on tensioning operation; when the prefabricated place of T roof beam is located the longitudinal slope road bed, the longitudinal slope appears in T roof beam platform seat end, and operation platform longitudinal slope mediation efficiency is poor, produces great influence to work efficiency.

In order to solve the technical problem, some provide a stretch-draw operation protection device, such as the chinese utility model patent of "T roof beam prestressing force jack stretch-draw safety protection device" of patent number "CN 204898528U", the device's structure does, the support that has the stretch-draw operation district is equipped with on the platform that the pulley is equipped with to the bottom, guard flap is equipped with to the position in relative stretch-draw operation district on the support periphery, the jack suspension arm is equipped with to the support top, be equipped with the suspension pulley on the jack suspension arm, there is intelligent stretch-draw equipment parking district on the platform, the toolbox district of placing. When the T-shaped beam is tensioned, a constructor pushes a prestressed jack tensioning safety protection device of the T-shaped beam to move to a tensioning end of the T-shaped beam, and then the jack is installed in place through a suspension pulley on a suspension arm of the jack, so that tensioning can be carried out. The device integrates prestress tensioning and safety protection and can be pushed by constructors. During construction, construction speed is accelerated, manpower is saved, moving and using are convenient and flexible, the device can be repeatedly used, the structure is simple, and manufacturing cost is low. However, the device still has some defects, the suspension pulley of the device is a fixed structure, so the device only can play a role of hoisting a jack and cannot adapt to the position change of the jack, and the device is realized by operating the whole device to move in order to adjust the jack, so the adjusting mode is difficult and cannot be applied to the condition of uneven ground.

Disclosure of Invention

The utility model aims at solving the above-mentioned background art not enough, provide a semi-automatization T roof beam prestressing force stretch-draw safe operation platform.

The technical scheme of the utility model is that: the utility model provides a semi-automatization T roof beam prestressing force stretch-draw safe operation platform, includes the couple, its characterized in that: also comprises a protective cover body; the protective cover body is of a hollow structure, the corners of the lower end of the protective cover body are provided with the rollers, the lower end of the protective cover body is provided with a supporting structure which is used for adjusting the levelness of the protective cover body, and the upper end of the protective cover body is provided with an adjusting structure for adjusting the position of the hook;

the adjusting structure comprises a longitudinal adjusting structure for adjusting the longitudinal position of the hook and a transverse adjusting structure for adjusting the transverse position of the hook; the transverse adjusting structure is longitudinally adjustable along the longitudinal direction; the hook is fixed on the transverse adjusting structure;

the transverse adjusting structure comprises a transverse rack and a shell body which is arranged on the transverse rack in a penetrating mode; the transverse rack is a cylindrical rack with a rack structure arranged on the circumferential surface; a transverse driving gear meshed with the transverse rack is arranged in the shell; the hook is fixed at the lower end of the shell;

the longitudinal adjusting structure comprises two longitudinal racks which are arranged at the upper end of the protective cover body at intervals along the transverse direction; the longitudinal rack is a long rod which is arranged along the longitudinal direction and provided with a rack structure at the upper end; the transverse rack is provided with a longitudinal driving gear meshed with the longitudinal rack;

the supporting structure comprises a fixing nut fixed at the corner of the protective cover body; and a support screw rod which is spirally connected with the fixing nut along the vertical direction is arranged in the fixing nut in a penetrating way.

A limiting boss for limiting the longitudinal driving gear to be separated from the longitudinal rack is further arranged on the longitudinal rack; the limiting boss is a protruding strip-shaped structure arranged on one side, far away from the hook, of the corresponding longitudinal driving gear.

A transverse driving handle is further arranged on the shell in a penetrating way; the transverse driving handle penetrates through the shell and is fixedly connected with the transverse driving gear, and bearings are arranged on the transverse driving handles positioned on two sides of the transverse driving gear.

And a longitudinal driving handle used for driving the transverse rack and the longitudinal driving gear to rotate is further arranged at the end part of the transverse rack.

The protective cover body further comprises a framework; the skeleton is square frame construction, and the lateral part is provided with the guard plate on the skeleton, has seted up the entry on the guard plate that is located the guard shield body lateral part.

The utility model has the advantages that: 1. the supporting structure capable of adjusting the horizontal pairs and the adjusting structure capable of adjusting the positions of the hooks are arranged in the protective cover body, so that the whole protective cover body can adapt to various terrains, the jack can be adjusted more conveniently, the jack can be made to conform to the stretching direction of prestress, and construction is more convenient;

2. the jack hung on the hook can be conveniently adjusted through the transverse adjusting structure and the longitudinal adjusting structure, so that the jack can conform to various tensioning directions, and the tensioning construction force transfer is more efficient;

3. through setting up vertical regulation structure, can be convenient carry out the regulation of levelness to the protecting shield body, make its topography structure that adapts to various differences, improve the efficiency of prestressing force tension construction.

The utility model discloses an operation platform simple structure, the convenient high efficiency of mode regulation can deal with the topography construction of various not isostructures, and stretch-draw atress conduction concentrates the high efficiency more, has very big spreading value.

Drawings

FIG. 1: the structure schematic diagram of the operation platform of the utility model;

FIG. 2: the cross section of the operation platform of the utility model is schematic;

FIG. 3: view a-a in fig. 2 of the present invention;

FIG. 4: view B-B in fig. 2 of the present invention;

wherein: 1-hanging hooks; 2, rolling wheels; 3-transverse rack; 4, a shell; 5-transverse driving gear; 6-longitudinal rack; 7-longitudinal driving gear; 8, limiting bosses; 9-a transverse driving handle; 10, a bearing; 11-longitudinal drive handle; 12-a fixing nut; 13-a support screw; 14-a backbone; 15-protective plate; 16-inlet.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

As shown in fig. 1-4, a safe operation platform of semi-automatization T roof beam prestressing force stretch-draw, the operation platform of this embodiment includes the protecting hood body, the protecting hood body is the primary structure who is used for manual operation and places the jack-draw, the protecting hood body includes skeleton 14, skeleton 14 is square frame construction, guard plate 15 is arranged in the outside of skeleton 14, guard plate 15 forms the cover body structure of protection all around with skeleton 14, wherein it has seted up entry 16 on the guard plate 15 that is located the protecting hood body lateral part, be convenient for equipment and personnel's business turn over.

This embodiment is provided with gyro wheel 2 at the lower extreme of the protecting cover body, is convenient for to the transport of the protecting cover body, and four gyro wheels 2 are located four edges of the protecting cover body respectively. In addition, four corners of the protective cover body are also provided with supporting structures for adjusting levelness of the protective cover body. As shown in fig. 1, the supporting structure includes a fixing nut 12 fixed at the corner of the protecting cover, and a supporting screw 13 screwed into the fixing nut 12 along the vertical direction is inserted into the fixing nut. The levelness of the protective cover body can be adjusted by changing the position height of the supporting screw 13 in the fixing nut 12.

This embodiment uses couple 1 to hang the jack for stretch-draw, and the protective housing upper end is provided with the regulation structure that is used for adjusting couple 1 position. As shown in fig. 2 to 4, the hook comprises a transverse rack 3 and a housing 4 penetrating the transverse rack 3, wherein the transverse rack 3 is a cylindrical rack with a rack structure on the circumferential surface, a transverse driving gear 5 meshed with the transverse rack 3 is arranged in the housing 4, and the hook 1 is fixed at the lower end of the housing 4. A transverse driving handle 9 penetrates through the shell 4, the transverse driving handle 9 penetrates through the shell 4 and is fixedly connected with the transverse driving gear 5, and bearings 10 are arranged on the transverse driving handles 9 positioned on two sides of the transverse driving gear 5. The transverse driving gear 5 can be rotated by rotating the transverse driving handle 9, and the whole shell 4 is driven to move along the transverse rack 3 under the meshing action of the transverse driving gear 5 and the transverse rack 3, so that the transverse position of the hook 1 is adjusted.

The adjusting structure further comprises two longitudinal racks 6 arranged at the upper end of the protective cover body at intervals along the transverse direction, the longitudinal racks 6 are long rods with rack structures arranged along the longitudinal direction and arranged at the upper ends, and longitudinal driving gears 7 meshed with the longitudinal racks 6 are installed on the transverse racks 3. As shown in fig. 2 to 3, a limiting boss 8 for limiting the longitudinal driving gear 7 to be disengaged from the longitudinal rack 6 is arranged on the longitudinal rack 6, and the limiting boss 8 is a protruding strip-shaped structure arranged on one side of the corresponding longitudinal driving gear 7 far away from the hook 1. The end of the transverse rack 3 is provided with a longitudinal driving handle 11 for driving the transverse rack 3 and the longitudinal driving gear 7 to rotate. By rotating the longitudinal driving handle 11, the longitudinal driving gear 7 can move along the longitudinal rack 6, so that the transverse rack 3 can move longitudinally, and the purpose of adjusting the longitudinal position of the hook 1 is achieved.

During the in-service use, move the protecting cover body to T roof beam end design stretch-draw position, rotatory supporting screw 13 makes supporting screw 13 and ground contact protecting cover body to make protecting cover body bottom plate be in the level, move the stretch-draw needs jack and spare part to protecting cover body inside through entry 16, hang the jack in couple 1 below, adjust the jack to stretch-draw steel bundle end through horizontal drive gear 5, vertical drive gear 7 and site operation calabash couple, accomplish T roof beam stretch-draw operation preparation work.

As shown in fig. 2, the lateral direction of the present embodiment refers to the left-right direction in fig. 2, the longitudinal direction of the present embodiment refers to the up-down direction in fig. 2, and the vertical direction of the present embodiment refers to the direction perpendicular to the drawing sheet in fig. 2.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a semi-automatization T roof beam prestressing force stretch-draw safe operation platform, includes couple (1), its characterized in that: also comprises a protective cover body; the protective cover body is of a hollow structure, the corner of the lower end of the protective cover body is provided with a roller (2), the lower end of the protective cover body is provided with a supporting structure which is used for adjusting the levelness of the protective cover body, and the upper end of the protective cover body is provided with an adjusting structure for adjusting the position of the hook (1); the adjusting structure comprises a longitudinal adjusting structure for adjusting the longitudinal position of the hook (1) and a transverse adjusting structure for adjusting the transverse position of the hook (1); the transverse adjusting structure is longitudinally adjustable along the longitudinal direction; the hook (1) is fixed on the transverse adjusting structure;

the transverse adjusting structure comprises a transverse rack (3) and a shell (4) which is arranged on the transverse rack (3) in a penetrating way; the transverse rack (3) is a cylindrical rack with a rack structure arranged on the circumferential surface; a transverse driving gear (5) meshed with the transverse rack (3) is arranged in the shell (4); the hook (1) is fixed at the lower end of the shell (4);

the longitudinal adjusting structure comprises two longitudinal racks (6) which are arranged at the upper end of the protective cover body at intervals along the transverse direction; the longitudinal rack (6) is a long rod which is arranged along the longitudinal direction and the upper end of which is provided with a rack structure; a longitudinal driving gear (7) meshed with the longitudinal rack (6) is arranged on the transverse rack (3);

the supporting structure comprises a fixing nut (12) fixed at the corner of the protective cover body; and a support screw rod (13) which is spirally connected with the fixing nut (12) along the vertical direction is arranged in the fixing nut in a penetrating way.

2. The semi-automatic safe operation platform for tensioning T-beam prestress of claim 1, wherein: a limiting boss (8) used for limiting the longitudinal driving gear (7) to be separated from the longitudinal rack (6) is arranged on the longitudinal rack (6); the limiting boss (8) is a protruding strip-shaped structure arranged on one side, far away from the hook (1), of the corresponding longitudinal driving gear (7).

3. The semi-automatic safe operation platform for tensioning T-beam prestress of claim 1, wherein: a transverse driving handle (9) penetrates through the shell (4); the transverse driving handle (9) penetrates through the shell (4) and is fixedly connected with the transverse driving gear (5), and bearings (10) are arranged on the transverse driving handle (9) positioned on two sides of the transverse driving gear (5).

4. The semi-automatic safe operation platform for tensioning T-beam prestress of claim 1, wherein: the end part of the transverse rack (3) is provided with a longitudinal driving handle (11) for driving the transverse rack (3) and the longitudinal driving gear (7) to rotate.

5. The semi-automatic safe operation platform for tensioning T-beam prestress of claim 1, wherein: the protective shield body comprises a skeleton (14); skeleton (14) are square frame structure, and side is provided with guard plate (15) on skeleton (14), have seted up entry (16) on guard plate (15) that are located the guard shield body lateral part.

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