71 results about "Horizontal force" patented technology

The invention discloses a method and a system for dynamically stabilizing a bucket-type foundation structure in a floating state, and the method comprises the steps: dragging the bucket-type foundation structure on a water surface when the bucket-type foundation structure is in a floating state relative to the water surface, and collecting a plurality of dynamic parameters of the bucket-type foundation structure; matching a horizontal force balance parameter, a vertical force balance parameter and a moment balance parameter of the bucket type foundation structure on the basis of a plurality of dynamic parameters, so as to introduce the horizontal force balance parameter, the vertical force balance parameter and the moment balance parameter, and associating the horizontal force balance parameter, the vertical force balance parameter and the moment balance parameter with a dynamic balance relationship; according to the dynamic balance relation, dynamic adjustment of the horizontal force balance parameter, the vertical force balance parameter and the moment balance parameter is triggered; the inclination degree of the barrel type foundation structure is monitored in real time, the dynamic balance relation is dynamically regulated and controlled according to the inclination degree of the barrel type foundation structure, and the dynamic stability of the barrel type foundation structure in the floating state is improved.

The utility model provides a guiding mechanism which is symmetrically arranged between a driving mechanism and a driven mechanism, the guiding mechanism comprises a first guiding piece and a second guiding piece, a guiding groove is formed in the first guiding piece, an opening in the upper portion of the guiding groove extends outwards above the first guiding piece, and the opening in the lower portion of the guiding groove extends outwards above the second guiding piece. Two symmetrical inclined planes are formed above the first guide piece; when the driving mechanism is matched with the driven mechanism, the driven mechanism can be driven to align the position of the driving mechanism in the horizontal direction through horizontal force generated when the second guide piece and the inclined face of the guide groove are extruded into the guide groove. And the symmetrical inclined surfaces above the guide groove are equivalent to transition surfaces for component contact guide, so that the second guide piece is stable and smooth in the contact extrusion guide process with the inclined surfaces, the situation that the component is damaged due to direct collision is avoided, and the service life of the guide mechanism is prolonged.

The invention provides a horizontal and vertical dynamic load coupling loading device and method for a pile foundation, and relates to the field of pile foundation model test research. The loading device comprises an actuator, a fixing frame, a counter-force beam, a model box and a bottom plate, the actuator comprises a horizontal actuator and a vertical actuator, the horizontal actuator is provided with a horizontal force displacement transmission plate, the horizontal force displacement transmission plate is fixedly connected with the vertical actuator, the vertical actuator is fixedly connected with a counter-force beam sliding groove buckle, and the counter-force beam sliding groove buckle is fixedly connected with the model box. The counter-force cross beam sliding groove is connected with the counter-force cross beam actuator sliding groove in a buckled mode, the counter-force cross beam sliding groove is connected with the counter-force cross beam actuator sliding groove in a buckled mode, and the vertical actuator can slide on the counter-force cross beam actuator sliding groove of the counter-force cross beam under the action of the applied force displacement of the horizontal actuator. Complex dynamic loads can be applied to the pile foundation in the model box, the load working condition of the pile foundation can be restored more truly, and a guarantee is provided for studying the mechanical response of the pile foundation under the complex loads.

The invention discloses a flexible polishing device and a control method of the flexible polishing device, and relates to the technical field of mechanical polishing, the flexible polishing device comprises a mounting seat, a transfer assembly, a polishing assembly and a control device, and a mounting side is formed on one side of the mounting seat in the horizontal direction; the transferring assembly comprises a transferring part, the transferring part is used for picking up and transferring a to-be-machined part, the polishing assembly comprises a base and two polishing wheels, the two polishing wheels are spaced in the vertical direction and coaxially rotate along the axis extending in the vertical direction, and the roughness of one polishing wheel is larger than that of the other polishing wheel; one end of the base in the horizontal direction is mounted to the mounting side through a floating structure; the acting force in the horizontal direction drives the floating structure to move, the acting force in the vertical direction has certain loss, the situation that the polishing effect is affected due to the fact that the counter-acting force is too large is avoided, it is guaranteed that the part and the polishing wheel are in a constant-pressure contact state all the time during polishing, and the problem that the polishing removal amount is unstable due to the part size difference is solved.

The utility model provides an upper supporting roll balancing device of a finishing machine. The upper supporting roll balancing device comprises a rack, the driving mechanism is used for simultaneously outputting two groups of horizontal forces in opposite directions; the force conversion mechanism is used for correspondingly converting each group of horizontal force into a group of force in the vertical direction at the same time; each group of vertical force has the same direction; the first end of the pull rod mechanism is connected with the force conversion mechanism, and the second end of the pull rod mechanism is matched with the T-shaped groove in the top of the upper supporting roller bearing seat. Therefore, the acting force in the horizontal direction and the acting force in the vertical direction are synchronously converted through a single driving source, the problem of poor synchronism caused by independent work of multiple traditional hydraulic cylinders is solved, the inclination risk in the lifting process of the upper supporting roller is prevented, and potential safety hazards of equipment are eliminated; meanwhile, complex detection elements such as a displacement sensor are omitted, the system structure is simplified, the equipment cost and the failure rate are reduced, and stable lifting of the upper supporting roller under the two working conditions of pushing-in and pushing-out is achieved.

The utility model relates to an anti-drawing support of a track beam. Common highway bridge and railway bridge supports cannot meet the stress requirements of track beam supports in the aspects of lateral horizontal force resistance and drawing force resistance. The support comprises an upper support plate, a spherical crown, a tensile shaft, a ball seat and a lower support plate from top to bottom, the bottom surface of the spherical crown is a convex spherical surface, and a vertical threaded hole is formed in the center of the bottom surface of the spherical crown; the top surface of the ball seat is a concave spherical surface, and a vertically-through stepped hole with a small upper part and a large lower part is formed in the position, corresponding to the threaded hole, of the ball seat; the lower portion of the tensile shaft is a big-end-down cap, the upper portion of the tensile shaft is a screw, the cap is located in the stepped hole, and the screw is located in the threaded hole. The anti-drawing function of the support is achieved through the anti-drawing shaft assembly in the support. When bearing vertical dead load brought by the track beam and an upper structure, the device can also provide vertical anti-drawing force for the track beam so as to resist lateral force and vertical drawing force borne by the track beam, and safe operation of the track beam is guaranteed.

The utility model provides a horizontal force dispersing type shock insulation rubber support, and belongs to the technical field of bridge supports. The support comprises a first support plate, a support body and a second support plate which are sequentially arranged in an overlapped mode, the support body is fixed between the first support plate and the second support plate, one of the first support plate and the second support plate is used for being connected with a beam body, and the other one of the first support plate and the second support plate is used for being connected with an abutment. The first support plate is provided with an adjusting hole, the support further comprises a connecting piece and a limiting piece, the connecting piece penetrates through the adjusting hole to be connected with a first anchoring structure in a beam body or an abutment, the radial size of the adjusting hole is larger than that of the connecting piece, and the limiting piece is connected between the connecting piece and the first support plate and used for fixing the connecting piece to the first support plate. The radial size of the adjusting hole is larger than that of the connecting piece, so that the connecting piece can move in the adjusting hole to be matched with the position of the first anchoring structure and is matched with the limiting piece, and the first support plate is fixed to the preset installation position.

The utility model relates to the technical field of building quality detection, in particular to a double-wheel horizontal force coefficient tester installation and adjustment levelness instrument, which comprises a suspension assembly, the suspension assembly comprises a height adjusting piece and a connecting beam, the end part of the connecting beam is provided with a connecting plate, and the height adjusting piece is connected with the connecting plate; the wheel assembly is arranged at the end, away from the height adjusting piece, of the connecting beam, the wheel assembly comprises a friction wheel and a distance testing wheel, and the friction wheel and the distance testing wheel are distributed in a triangular shape; the balancing weight is arranged above the friction wheel, and the balancing weight is fixedly connected with the connecting beam; the gradienter is arranged on the balancing weight, the gradienter is used for observing the horizontal state of the whole device, and the gradienter is fixed to the upper portion of the balancing weight through a fixing piece. According to the utility model, the horizontal calibration of the double-wheel type transverse force coefficient tester can be rapidly and accurately realized.

The utility model relates to a kind of aerated concrete platform lifting structure of board breaking machine, including breaking frame, the platform lifting structure for controlling gripper lifting is provided on breaking frame, the platform lifting structure includes the connecting bracket installed on breaking frame, the bottom of the connecting bracket is fixedly connected with trapezoidal block.The aerated concrete platform lifting structure of board breaking machine, the slope surface of extrusion block is matched with the slope of trapezoidal block, the horizontal force output by oil cylinder is converted into vertical force for pushing trapezoidal block to rise, avoid oil cylinder directly bearing aerated concrete vertical gravity and bonding force, so that oil cylinder mainly bears horizontal force, reduce axial stress, avoid oil cylinder long-term high frequency bearing axial force leading to plastic deformation, and gear and two center-symmetrical profiled rack meshing, ensure that two extrusion blocks are synchronously close or far away, so that trapezoidal block is evenly stressed, and lifting is stable, and then the service life of equipment is lengthened.

The invention relates to a slide (10) for use in an openable side-tarpaulin wall system for a utility vehicle and to an openable side-tarpaulin wall system. The slide (10) comprises a basic plate-type structure (11), a fastening plate (15) for fastening a belt (G), and a roller (16) with a horizontal axis of rotation (A), wherein the basic structure (11) has a recess (17) for receiving the belt (G), wherein the recess (17) has a horizontal deflecting edge (18), and wherein the recess (17) is arranged below the fastening plate (15). A slide which can reliably and safely absorb horizontal forces is created by the recess (17) being arranged between the fastening plate (15) and the roller (16).

The utility model discloses an adjustable drop experiment device for coated metal, which relates to the field of drop experiments and comprises an experiment frame, a lifting cross beam is slidably arranged on the experiment frame and has a degree of freedom of moving along the height direction of the experiment frame, a horizontal beam is fixed at the bottom of the lifting cross beam, and an experiment board is slidably arranged on the horizontal beam. The experiment plate has the degree of freedom of moving in the length direction of the horizontal beam, two clamping plates are symmetrically arranged at the bottom of the experiment plate, the distance between the two clamping plates is adjusted through movement of the clamping plates, the plated metal is clamped between the two clamping plates, and the plated metal is brought to the specified experiment height through movement of the lifting cross beam. And then the clamping plate drives the plated metal to move horizontally, so that the plated metal obtains the movement speed in the horizontal direction, then the clamping plate loosens the plated metal, and under the action of the gravity and the horizontal force of the plated metal, the plated metal does parabolic motion, so that the falling experiment that the plated metal moves in a parabolic state can be simulated.

The utility model belongs to the technical field of plate rolling machines, and particularly relates to a cone rolling device at the discharge end of a plate rolling machine. The cone rolling device at the discharge end of the plate rolling machine comprises a left frame, an inverted head frame and a lower roller seat are installed on the left frame, an upper roller is installed on the inverted head frame, a lower roller is installed on the lower roller seat, and a conical plate is rolled between the upper roller and the lower roller, and is characterized in that: the cone rolling device is symmetrically installed on both sides of the upper roller, and the cone rolling device comprises a fixed seat fixed to the top of the left frame, and the upper and lower parts of the fixed seat are respectively connected to the roller seat in one piece, and a roller shaft is installed on the roller seat. The beneficial effects of the utility model are: the two cone rolling stop wheels are closely close to the two sides of the upper roller, and the center distance is smaller, so that it can be rolled from more than 30 degrees to 160 degrees until it is butterfly-shaped. Not only is the rolling range wider, there is rolling friction between the stop wheel and the plate head, the stop wheel has a longer service life, and the quality is stable. Since it is installed at the top of the left frame, it can also withstand a larger horizontal component force, and it is more convenient for maintenance and replacement.

This utility model relates to a positioning structure for a plate breaking machine, including a frame mounted on the plate breaking machine. The frame is equipped with several symmetrically distributed supporting shells, positioning components, pressing blocks, and feeding components. This positioning structure, by incorporating supporting shells, positioning components, and pressing blocks, with both the pressing blocks and the force-bearing blocks designed for inclined surface contact, utilizes the force decomposition characteristics of the inclined surface to convert the vertical force output by the hydraulic cylinder into the horizontal force required by the positioning plate. Furthermore, it decomposes the reaction force of the positioning plate into forces acting on the supporting shells and forces acting on the hydraulic cylinder, preventing the hydraulic cylinder from directly bearing excessive horizontal reaction force. This force direction conversion reduces the load on the hydraulic cylinder, preventing metal fatigue and malfunctions caused by prolonged operation. Moreover, the spring's rebound potential energy drives the positioning plate to automatically reset, requiring no additional power and simplifying the control logic of the release action.

The utility model discloses a caster capable of quickly stretching and retracting and enhancing a supporting effect and a box group, which relate to the technical field of moving parts and are characterized in that the caster comprises a fixed plate, a sliding groove is formed in the middle of the fixed plate, and a hinge shaft is arranged in the sliding groove in a sliding manner; two symmetrically-arranged supporting feet are hinged to the hinge shaft, and wheels are arranged at the ends, away from the hinge shaft, of the supporting feet respectively. On the premise of rapid carrying and moving, the product stability is enhanced, the problem that the supporting legs of the product are tedious to assemble or unfold is solved, the supporting legs stretch out and retract rapidly, one supporting leg is pulled to stretch out automatically, and the horizontal torque and the inclination resistance of the product are increased after the supporting legs are pulled out; the casters are universal wheels, retraction and pull-out of the supporting feet do not affect movement of the product, and the product can be reliably fixed to the current position through a locking structure with a braking vane.

A bidirectional anti-falling mechanism assembly with an anti-theft function comprises a support base, a limiting piece rotationally installed on the support base, a shifting fork matched with the limiting piece and a push rod slidably installed on the support base, the limiting piece drives the shifting fork to slide up and down when rotating, a push shaft is arranged in the middle of the push rod, a clamping groove is formed in the middle of the limiting piece, and the clamping groove comprises an upper clamping position and a lower clamping position. Torsion acting on the push shaft by the upper clamping position or the lower clamping position deviates to one side of the shifting fork, the torsion is decomposed into acting force in the horizontal direction in the rotating direction, the friction force F of the push rod is increased, the friction force F is decomposed into acting force in the vertical direction, and part of gravity G of the push rod, the limiting piece and the shifting fork is overlapped or counteracted. Under the condition that the friction coefficient mu is not changed, the larger the pressure N in the horizontal direction is, the larger the friction F is, and therefore the larger the external force borne by the shifting fork is, the more stable the push shaft is, the shifting fork can be kept in the unlocking or locking state, and the anti-falling and anti-theft effects are achieved.

This utility model discloses a bridge hanger assembly, including a first connecting rod and a second connecting rod. A first frame and a second frame are respectively fixedly welded to the bottom ends of the first and second connecting rods. A first insertion slot and a second insertion slot are respectively formed on the first and second connecting rods. A first mounting component is fixedly welded to the top of the first frame, and a second mounting component is welded to the top of the second frame. The second frame and the second mounting component are double-layered plates with internal cavities. In this utility model, the two hangers are connected to a single point at their bottom, and their tops are supported at two positions on an arched frame. This design saves installation space at the bottom and reduces the vertical tension of a single hanger. By distributing the load between the two hangers, the assembly can withstand both vertical tension and horizontal forces, increasing wind resistance and lateral stability.

The utility model discloses an impact test device for testing the anti-freezing performance of an asphalt pavement. The impact test device comprises a scale rod, a base and an aluminum plate channel, the scale rod is provided with three sections of telescopic parts and is vertically fixed on the base; a round wheel is fixed on the inner side of the top end of the scale rod; the aluminum plate channel is fixedly connected with the cross rod; the cross rod is perpendicular to the scale rod and can rotate; a fixing piece is arranged on the side face of the aluminum plate channel. The fixing piece is formed by fixedly connecting a square attaching block and a clamp, and the aluminum plate channel can be fixed by connecting the clamp with the round wheel. According to the utility model, the vertical force and the horizontal force acting on the test piece are controlled by controlling the rolling height and angle of the steel ball, the strength of the anti-freezing performance of the asphalt pavement is evaluated according to the residual rate of the ice layer on the surface of the test piece, and the device has the advantages of simple structure, simplicity in operation, high flexibility, capability of accurately and objectively evaluating the anti-freezing performance of the test piece and the like. The popularization is facilitated.

The application discloses a handle mechanism with a ratchet lock, which is used for locking the socket and the plug of a fluid connector. The end of the handle is connected to the plug through a shaft pin. The end comprises a locking part. A gear is arranged on the locking part and is used for engaging with a rack arranged on the socket. The handle guides the gear of the locking part to connect the rack from the bottom to the top. The application adopts the structure of the gear and the rack to lock. The horizontal pulling force is generated by the principle of the engagement of the gear and the rack, so that the locking of the plug and the socket is easier. Compared with the extrusion force generated by the circular arc rotation, the horizontal force can ensure the smooth connection of the connector. The application overcomes the self-locking in the connection process of the existing structure, so as to avoid the defect that the connection is stuck. The limiting part is arranged on the plug, the sliding part is arranged on the handle, and the sliding part and the limiting part are mutually buckled to ensure the locking and prevent the self-unlocking phenomenon in the use process.

The application discloses a multi-dimensional force loading device for a plantar force sensor, which comprises a bottom plate, a vertical force loading device, a standard pressure sensor, a horizontal force loading device and an auxiliary device; the auxiliary device comprises a base, a mounting plate and a loading column; the horizontal force loading device comprises a rolling pulley, a wire rope and a weight, and when the horizontal force is loaded, the weight is connected with the loading column through the wire rope around the rolling pulley; the vertical force loading device comprises a ball screw rod; the vertical displacement of the ball is adjusted based on the threaded transmission, a force in the vertical direction is transmitted to the plantar force sensor to be calibrated through the loading column, and the loaded vertical force is measured by the standard pressure sensor. The application can realize the loading of the force in the vertical direction, the loading of the force in two horizontal directions and the loading of the force at different positions. The application can simulate the force range of the human plantar force, and the range of the force applied in the vertical direction is more than ten times of the range of the force applied in the horizontal direction.

The utility model provides a portable cable paying-off tackle, which relates to the technical field of paying-off tackles and comprises a U-shaped wheel carrier and a pulley. A horizontal force bearing plate is welded to the top end of the V-shaped extension plate, an insertion frame is slidably installed on the horizontal force bearing plate through pushing of a spring, the whole insertion frame is of a U structure, two positioning sleeves are symmetrically welded to the head end part of a V-shaped overturning plate, and in a normal state, the head end protruding parts of two transverse supporting insertion rods are correspondingly matched with the two positioning sleeves in an inserted connection mode; two vertical lifting plates are welded to the bottom side of the right half part of the horizontal force bearing plate at intervals, a top shaft is slidably installed on the two vertical lifting plates in a penetrating mode through pushing of springs, and the top shaft is in a transverse supporting mode; when the plug-in frame slides leftwards and is pulled out to loosen the V-shaped turnover plate, the spring on the top shaft can rebound and push the V-shaped turnover plate to slide rightwards, the V-shaped turnover plate is driven to swing downwards and be opened downwards and downwards automatically, and the trouble that the V-shaped turnover plate needs to be turned over and opened by extra manual force is omitted.

The utility model discloses a bridge underwater pile foundation detection device, and belongs to the technical field of pile foundation detection devices.The bridge underwater pile foundation detection device comprises a pile foundation, the outer surface of the pile foundation is slidably sleeved with an annular clamping piece, the annular clamping piece is composed of a first semicircular ring, a second semicircular ring and a hinge, and a positioning block is fixedly installed on the inner wall of the annular clamping piece; an adjusting groove is formed in the positioning block; through cooperation of a first semicircular ring, a second semicircular ring, a hinge, a connecting block, a bolt and a nut, an annular clamping piece is connected to the outer surface of a pile foundation in a sleeving mode, through cooperation of a positioning block, an adjusting groove, a spring, an adjusting block, a mounting frame and a moving wheel, a horizontal acting force is applied to the moving wheel, and the moving wheel abuts against the pile foundation; the force can generate a friction force component opposite to the downward sliding direction of the annular clamping piece, and the resistance can be increased, so that the downward sliding speed of the annular clamping piece is slowed down, the diving camera can clearly shoot the appearance of the pile foundation, and the detection effect is improved.

The application provides a device and a method for testing the out-of-plane eccentric compression performance of a plate component, characterized in that the device comprises a lower pressure plate, an upper pressure plate, a knife corner and a parallel roller, wherein the lower pressure plate is fixed on the end face of the free end of the plate component; the upper pressure plate is arranged on the lower pressure plate; the knife corner is welded below the upper pressure plate; and the parallel roller is limited on the end face of the upper pressure plate away from the lower pressure plate and can roll on the upper pressure plate; when the eccentric compression test is performed, the pressure of the pressure device acts on the parallel roller, the parallel roller rolls under pressure and transmits the eccentric force to the plate component through the upper pressure plate and the lower pressure plate. The device eliminates the horizontal force at the knife corner, ensures that the direction of the load is always vertical downward during the loading process, and can achieve better test results.

The invention relates to the technical field of lifting transportation, and discloses a shear fork type lifting walking device which comprises a transferring frame, a lifting frame is arranged below the transferring frame, two lifting mechanisms are oppositely arranged on the transferring frame, a sliding frame of each lifting mechanism can move in the Y-axis direction, a movable pulley of a pulley assembly is rotationally installed on the sliding frame, and the movable pulley of the pulley assembly can move in the Y-axis direction. One end of the traction piece is connected with the transfer frame, and the other end of the traction piece is connected with the lifting frame after bypassing the movable pulley and the fixed pulley from the upper part in sequence; the movable pulley can be driven by the sliding frame to change the distance of the traction piece in the vertical direction, the fixed pulley can change the stress direction of the traction piece, horizontal force is changed into vertical force, and therefore lifting or descending of the lifting frame is completed. The device can overcome the defect that in the prior art, labor is wasted for increasing the lifting distance, meanwhile, the working load of the device can be improved, and the device can better adapt to various occasions.

The surface polishing machine for aluminum bar production comprises a workbench, a mounting groove is formed in the right side of the workbench, a first servo motor is arranged in the mounting groove, a first belt wheel is arranged at the output end of the first servo motor, sliding rails are symmetrically arranged on the upper surface of the workbench, sliding seats are connected to the two sets of sliding rails in a sliding mode, and the two sets of sliding seats are arranged on the workbench. A mounting plate is arranged between the two sets of sliding seats, a plurality of fixing plates are arranged on the upper surface of the mounting plate at equal intervals, one side face of each fixing plate is rotationally connected with a pulley, vertical plates are symmetrically arranged on the upper surface of the workbench, a rotating roller is rotationally connected between the two sets of vertical plates, and a second belt pulley is arranged at the right end of the rotating roller. The aluminum bar is placed between the rotating roller and the pulley, the pulley is obliquely arranged relative to the vertical direction of the rotating roller, and the inclination angle of the pulley is 45 degrees; the aluminum bar is driven to rotate through friction force between the rotating roller and the aluminum bar; the rotating roller and the pulley rotate to provide horizontal component force to drive the aluminum bar to advance.

The invention relates to an externally-pasted rubber waterstop fixing device and a construction method. The externally-pasted rubber waterstop fixing device structurally comprises a plurality of supporting frames arranged on the outer side face of a structure end mold, the tops of the supporting frames are flush with the top of the structure end mold, transverse force rods are arranged above the supporting frames, and the transverse force rods and the outer ends of the supporting frames are supported through supporting pieces; a fixed longitudinal beam is arranged below the inner end of the transverse force rod, the fixed longitudinal beam is located above the structure end mold, the transverse force rod is connected with the supporting frame through a connecting piece, a cantilever horizontal force rod is connected to the transverse force rod and extends to the position above the inner side of the structure end mold, a fixed cross beam is arranged below the cantilever horizontal force rod, and the cantilever horizontal force rod is connected with the fixed longitudinal beam. An ejector rod assembly is arranged on the cantilever horizontal force rod, the fixed cross beam makes contact with the lower end of the ejector rod assembly, and a water stop belt pressing formwork is arranged below the fixed longitudinal beam and the fixed cross beam. The device can effectively fix the externally-attached water stop belt, can prevent the water stop groove of the water stop belt from collecting gas, and improves the construction quality of the water stop belt.

The utility model relates to the technical field of steel structure construction, and particularly discloses a pin shaft steel structure fixing hinged support which is characterized in that an upper hanging lug connecting plate is arranged on an upper top plate, a lower hanging lug connecting plate is arranged on a lower base, and mutually corresponding hinged holes are formed in the upper hanging lug connecting plate and the lower hanging lug connecting plate; the installation between the upper top plate and the lower base can be completed only by utilizing a pin shaft to penetrate through the hinge holes in the upper hanging lug connecting plate and the lower hanging lug connecting plate, and the fixing assembly is further arranged on the lower base, so that the lower base can bear horizontal force caused by vehicle braking or wind power through the fixing assembly. Therefore, relative displacement between the lower base and the upper top plate is prevented, and the overall stability of the support is greatly improved.

The invention relates to a carriage (10), in particular for use in an openable side tarpaulin wall system for a commercial vehicle, comprising a plate-shaped body (11) with an outer guide surface and an inner guide surface (13), wherein the body (11) has a narrow side perpendicular to the outer guide surface and to the inner guide surface (13) and having a thickness, a fastening plate (15) for fastening a belt (G), and a roller (16) with a horizontal axis of rotation (A), wherein the fastening plate (15) and the roller (16) are arranged on the inner guide surface (13) of the body (11), and an openable side tarpaulin wall system.A carriage which can reliably and safely absorb horizontal forces is created in that the body (11) has a recess (17) for receiving the belt (G), that the recess (17) has a horizontal deflection edge (18), and that the recess (17) is arranged below the fastening plate (15).

The invention relates to the technical field of crawler chassis, in particular to a quick-release crawler-type PCCP (prestressed concrete cylinder pipe) pipeline mounting trolley, which is characterized in that when a first frame body is assembled on a second frame body, a crawler assembly is lifted upwards by external equipment, the crawler assembly is moved until a downward opening of a clamping hook hooks a rotating shaft in an upper clamping groove, and then the first frame body is released; under the action of self weight of the first frame body, the clamping hook rotates around the rotating shaft so as to enable the connecting lug to be inserted into the lower clamping groove, the clamping hook and the rotating shaft only bear horizontal force transmitted by the first frame body at the moment, the connecting pin shaft is inserted into the first pin hole and the second pin hole, and then the pin shaft in the first pin hole and the second pin hole can rotate around the rotating shaft. The vertical force transmitted by the first frame body and the second frame body and the horizontal force during steering are borne, so that the first frame body and the second frame body are connected together, the clamping hooks are matched with the rotating shafts, and the lower clamping grooves are matched with the connecting lugs, so that the convenience during assembling of the first frame body and the second frame body can be improved, and the effect of quick disassembly and assembly is achieved.

The application discloses a simple loading horizontal force similar simulation test device and a test method. The device comprises a base, left and right stands, a cross beam and split side guards. The left and right stands are respectively arranged on the left and right sides of the base. The cross beam is arranged at the upper ends of the left and right stands. The split side guards are detachably connected with the left and right stands. The front and rear split side guards, the left and right stands and the base form a similar simulation space. Horizontal loading assemblies are arranged between the similar simulation material and the left and right stands. The horizontal loading assemblies replace the loading iron plate. The manual pressure ball or the pressure pump replaces the hydraulic cylinder with large mass and volume. The driving is more flexible and simple. The air can be supplemented or released according to the actual situation. The horizontal force can be loaded on the similar simulation rock stratum at different heights in the similar simulation space.

The utility model provides an attachment device for a climbing formwork and a wall body, and belongs to the technical field of fixing devices for building construction. An attachment device for a climbing formwork and a wall comprises a wall body, a mechanical mechanism is arranged on one side of the wall body, and a braking mechanism is arranged on one side of the mechanical mechanism; compared with the prior art, the wall nail fixing device has the advantages that by arranging the tension plate, under the condition of long-time load bearing, the wall nail is prone to deformation due to the fact that the second hinge block and the wall body are fixed only through the wall nail, and particularly when the creeping formwork suddenly falls, the wall nail is prone to loosening due to the fact that the gravity borne by the wall nail is suddenly increased; when the wall nail falls down, the tension plate can convert a part of gravity into horizontal force applied to the wall body in the transverse direction, so that the load borne by the wall nail is reduced, and the service life of the wall nail is prolonged.