The method of hydraulic pushing or dragging object hydraulically and clamping body
Technical field
The invention belongs to technical field of construction, be specifically related to a kind of horizontal pushing tow or pull the construction method and the device thereof of spy (stupid) weight body.
Background technology
Jack pushing tow object have operate steadily, characteristics that thrust is big, realize that the prerequisite of pushing tow or dragging object hydraulically is that fulcrum or anchor point are arranged, and fulcrum or anchor point can to move with weight be optimal.
When horizontal pushing tow buildings or structures, the counter-force point of action of horizontal thrust generally is the basis of fixing, the form that increases standard knot between basis and building makes the point of action reach, as " building or structures integral translation hydraulic top pushing device " (patent No. 00212348.7).The clamping body of existing chucking rail mainly contains two kinds, and a kind of is tong arm formula such as crane rail clamp, mainly is to clamp from the track two sides to prevent that hoisting crane is blown away or blows down; Another is to be stretched out by the hydraulic cylinder piston rod that vertical direction is arranged, being pressed in provides positive pressure on the track and produces friction force and realize chucking, stretch out the pushing tow object by horizontal pushing tow hydraulic cylinder piston rod again, as " weight displacement hydraulic top pushing device " (patent No. 91219367.0), this mode since each pushing tow unit form by two jacks (compressing jack and pushing tow jack), so complex structure, cost height, installation and maintenance are more loaded down with trivial details.
Summary of the invention
The purpose of this invention is to provide a kind of hydraulic pushing simple in structure, easy to use or the method and the clamping body of dragging object hydraulically.
For achieving the above object, the present invention takes following design plan:
The present invention is mainly according to newton's third law of motion and law of friction.
According to Newton's third law: application force and antagonistic force equal and opposite in direction, direction are opposite.In view of the above as can be seen: at hydraulic jack forward during the pushing tow object, clamping body and be pushed between object and exist application force and antagonistic force by the pushing tow jack.
By law of friction: the condition that produces self-locking is that the action direction of power and contact surface normal direction angle are in the cone of friction angular region.This shows: in the present invention, rationally control bevel angle and can realize mechanical self-latching.
A kind of method of hydraulic pushing object, it comprises the following steps:
1) clamping body of Shi Yonging includes voussoir, lower wedge block, housing, baffle plate and connecting plate; At first lower wedge block is placed on the double-tee rail line of centers, the inclined-plane of lower wedge block forward;
2) will go up on the inclined-plane that voussoir is placed on lower wedge block, the inclined-plane of last voussoir makes the contact of two inclined-planes evenly backwards, and adjusts the height of going up after voussoir and the lower wedge block combination;
3) with bearing pin housing upper end is carried out hingedly, break housing then into two with one's hands, make top in the housing be pressed in the upper surface of voussoir, close up housing, will go up voussoir and lower wedge block encases, and tighten rail with the interior crotch of housing lower end;
4) on the anterior end surface of housing, connecting plate is installed;
5) baffle plate is installed in the position of voussoir and lower wedge block in the adjustment on the rear side end face of housing.
6) on the pushing tow jack Connection Block of connecting plate, connect the pushing tow jack, stretch out, object is carried out pushing tow by the piston rod of pushing tow jack.
A kind of method of hydraulic pressure dragging object hydraulically, it comprises the following steps:
1) clamping body of Shi Yonging includes voussoir, lower wedge block, housing, baffle plate and connecting plate; At first lower wedge block is placed on the double-tee rail line of centers, the inclined-plane of lower wedge block backwards;
2) will go up on the inclined-plane that voussoir is placed on lower wedge block, the inclined-plane of last voussoir makes the contact of two inclined-planes evenly forward, and adjusts the height of going up after voussoir and the lower wedge block combination;
3) with bearing pin housing upper end is carried out hingedly, break housing then into two with one's hands, make top in the housing be pressed in the upper surface of voussoir, close up housing, will go up voussoir and lower wedge block encases, and tighten rail with the interior crotch of housing lower end;
4) on the anterior end surface of housing, connecting plate is installed;
5) baffle plate is installed in the position of voussoir and lower wedge block in the adjustment on the rear side end face of housing.
6) connect the pushing tow jack on the pushing tow jack Connection Block of connecting plate, the piston rod contraction by the pushing tow jack pulls object.
A kind of employed clamping body of method of realizing hydraulic pushing or dragging object hydraulically, it is characterized in that: it includes voussoir, lower wedge block, housing, baffle plate and connecting plate; Described upward voussoir and lower wedge block are arranged in the housing, and inclined-plane of voussoir is arranged on the inclined-plane of lower wedge block on this; The upper end of described housing is hinged by bearing pin, the inside crotch in the lower end of described housing; Baffle plate and connecting plate respectively by bolted connection on the end face of the both sides of housing, connecting plate is provided with pushing tow jack Connection Block.
The bottom surface of described lower wedge block is provided with the friction flank of tooth.Be used to improve the friction force on the bottom surface and the rail surface of lower wedge block.
The inboard, upright surface of described housing forms sharp angle with the top, horizontal surface.Help reducing the open degree of the stressed rear lower of housing.
Housing in the clamping body of the present invention adopts split type, helps installation and removal easily; The lower wedge block chucking is easily realized two-way chucking in the employing.In invention, used lever principle, acutangulated with the top, horizontal surface, utilized lever principle like this, helped reducing the open degree of the stressed rear lower of housing on two voussoir inboard, upright surface.
Advantage of the present invention is: simple in structure, easy to use, safe and reliable.
Description of drawings
Fig. 1 is the front view of clamping body incremental launching construction running condition of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the birds-eye view of Fig. 1.
Fig. 4 is that the A of Fig. 1 is to view.
Fig. 5 is that housing medial surface angle forms the lever principle scheme drawing.
Fig. 6 is that clamping body of the present invention connects hydraulic pushing jack construction birds-eye view;
Fig. 7 is the front view that clamping body of the present invention pulls the construction running condition
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, shown in Figure 4: a kind of method of hydraulic pushing object, it comprises the following steps:
1) clamping body of Shi Yonging includes voussoir 2, lower wedge block 3, housing 4, baffle plate 5 and connecting plate 7; At first lower wedge block 2 is placed on the double-tee rail line of centers, the inclined-plane of lower wedge block 2 (is seen shown in Figure 1) forward;
2) will go up on the inclined-plane that voussoir 2 is placed on lower wedge block 3, the inclined-plane of last voussoir 2 makes the contact of two inclined-planes evenly backwards, and adjusts the height of going up after voussoir and the lower wedge block combination;
3) with bearing pin 1 housing upper end is carried out hingedly, break housing 4 then into two with one's hands, make top in the housing be pressed in the upper surface of voussoir 2, close up housing, will go up voussoir and lower wedge block encases, and tighten rail with the interior crotch of housing lower end;
4) connecting plate 7 is installed on the anterior end surface of housing;
5) baffle plate 5 is installed in the position of voussoir and lower wedge block in the adjustment on the rear side end face of housing.
6) on the pushing tow jack Connection Block of connecting plate, connect the pushing tow jack, stretch out, object is carried out pushing tow by the piston rod of pushing tow jack.
A kind of method of hydraulic pressure dragging object hydraulically, it comprises the following steps:
1) clamping body of Shi Yonging includes voussoir 2, lower wedge block 3, housing 4, baffle plate 5 and connecting plate 7; At first lower wedge block 2 is placed on the double-tee rail line of centers, the inclined-plane of lower wedge block 2 (is seen shown in Figure 7) backwards;
2) will go up on the inclined-plane that voussoir 2 is placed on lower wedge block 3, the inclined-plane of last voussoir 2 makes the contact of two inclined-planes evenly forward, and adjusts the height of going up after voussoir and the lower wedge block combination;
3) with bearing pin 1 housing upper end is carried out hingedly, break housing 4 then into two with one's hands, make top in the housing be pressed in the upper surface of voussoir 2, close up housing, will go up voussoir and lower wedge block encases, and tighten rail with the interior crotch of housing lower end;
4) connecting plate 7 is installed on the anterior end surface of housing;
5) baffle plate 5 is installed in the position of voussoir and lower wedge block in the adjustment on the rear side end face of housing.
6) connect the pushing tow jack on the pushing tow jack Connection Block of connecting plate, the piston rod contraction by the pushing tow jack pulls object.
A kind of employed clamping body of method of realizing hydraulic pushing or dragging object hydraulically, it includes voussoir 2, lower wedge block 3, housing 4, baffle plate 5 and connecting plate 7; Described upward voussoir and lower wedge block are arranged in the housing, and inclined-plane of voussoir 2 is arranged on the inclined-plane of lower wedge block 3 on this; The upper end of described housing 4 is hinged by bearing pin 1, the inside crotch in the lower end of described housing 4; Baffle plate 5 and connecting plate 7 are connected on the both sides end face of housing 4 by bolt 8 respectively, and connecting plate 7 is provided with pushing tow jack Connection Block 10.On pushing tow jack Connection Block 10, connect pushing tow jack 11.
The bottom surface of described lower wedge block 3 is provided with the friction flank of tooth 9.Be used to improve the friction force on the bottom surface and the rail surface of lower wedge block.
The inboard, upright surface of described housing 4 forms sharp angle (seeing shown in Figure 5) with the top, horizontal surface.Help reducing the open degree of the stressed rear lower of housing.
This clamping body of invention is to use application force and antagonistic force principle and mechanical self-latching principle to realize chucking and throw off work time-division two kinds of operating modes: 1. after the clamping body installation, by not being secured to the chucking operating mode.Under this operating mode, stretch out with the jack piston rod that links to each other with connecting plate 7, lower wedge block 3 on rail because friction force effect and static, housing 4, bearing pin 1, baffle plate 5 and last voussoir 2 upwards climb along the inclined-plane of lower wedge block 3 at this moment, the process of climbing when the 4 times end curved surface crotches of housing that climb contact with rail 6 termination lower curved faces finishes, and the vertical component of the horizontal direction counter-force during at this moment by the pushing tow object serves as positive pressure and realizes that lower wedge block 3 is locked with the friction of rail.Chucking back jack piston rod continues to stretch out and object is carried out pushing tow moves, till jack piston rod all stretches out; 2. by being secured to the disengagement operating mode.Because being pushed the friction force of weight and rail and friction force that clamping body provides is application force and antagonistic force, and clamping body is a unidirectional self-lock, so jack piston rod weight when withdrawal can be used as the point of action of power, shrink with piston rod, connecting plate 7, housing 4, bearing pin 1, baffle plate 5 and last voussoir 2 are thrown off to lower slider along the inclined-plane of lower wedge block 3.The pushing tow jack piston rod further bounces back, and baffle plate 5 drives lower wedge block and slides into next anchor point position together forward.
Remove clamping body and mainly comprise following a few step: 1. remove baffle plate 5; 2. the pushing tow jack piston rod is regained, clamping body is thrown off, piston rod continues to shrink lower wedge block 3 and keep motionless on rail; 3. remove the pushing tow jack; 4. remove connecting plate 7; 5. remove housing 4 and last voussoir 2.
The present invention also possesses dragging object hydraulically backward simultaneously except that possessing forward the pushing tow object.When horizontal dragging object hydraulically, during installation the installation direction of lower wedge block 3 and last voussoir 2 is turned round 180 °, all the other installation steps are the same.
During dismounting, the pushing tow jack piston rod stretches out earlier clamping body is thrown off, and it is the same that it removes surplus step.